$(".change").click(function(){
    let val1=$(".change").text();
    let val2=$(".clr").text();

    if(val1=='饼状图显示' && val2=="深色模式"){
        location.href="admin_list_pie.html";
    }else if(val1=='饼状图显示' && val2=="浅色模式"){
        location.href="admin_list_pie_black.html";
    }else if(val1=='柱状图显示' && val2=="浅色模式"){
        location.href="admin_list_black.html";
    }else{
        location.href="admin_list.html";
    }
  });